Sharma, however, felt that it was "practically impossible" to implement Delhi Government's odd-even number formula for plying vehicles on city roads as a measure to curb pollution.
"The message that is going out to the world whether Delhi is a polluted capital... Will have negative impact on tourism in the country. Countrymen, especially people in Delhi, should take a pledge to make the city and country pollution-free.
The Minister made the remarks while speaking on the sidelines of launch of National Museum's art gallery at Udyog Bhawan Metro Station here.
Sharma urged people to keep in mind they do not hand over a legacy of polluted Delhi to future generations.
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"If experts find air pollution levels high, doctors may have to suggest people to wear mask (as precaution) in that case," he added.
Sharma also urged people to have a glimpse India's culture through National Museum.
"It (launching the gallery) is a small effort by the Ministry along with Metro to bring India's culture from museum to metro station, where lakhs of people come and go daily. The gallery is an invitation to people to come and have glimpse of country's culture and civilisation," he added.
In a radical step to curb air pollution, Delhi Government had last Friday announced private vehicles bearing odd and even registration numbers will be allowed to ply only on alternate days starting January 1.